public void Can_create_a_named_Mutex()
{
// Arrange
var name = Guid.NewGuid().ToString();
// Act
var result = MutexManager.Acquire(name);
// Assert
result.ShouldNotBeNull();
result.Name.ShouldBe(name);
result.Dispose();
}
public void CanAcquire_returns_false_for_a_lock_already_acquired()
{
// Arrange
var name = Guid.NewGuid().ToString();
// Act
using (var result = MutexManager.Acquire(name))
{
MutexManager.CanAcquire(name).ShouldBeFalse();
}
// Assert
MutexManager.Mutexes.Count.ShouldBe(0);
}
public void Creating_a_mutex_via_MutexManager_acquires_lock()
{
// Arrange
var mutexName = "myname";
// Act
using (var mutex = MutexManager.Acquire(mutexName))
{
// Assert
mutex.Name.ShouldBe(mutexName);
MutexManager.Mutexes.ContainsKey(mutexName).ShouldBeTrue();
MutexManager.Mutexes[mutexName].State.ShouldBe(MutexState.Acquired);
MutexManager.Mutexes[mutexName].Timestamp.ShouldBeGreaterThan(DateTime.MinValue);
MutexManager.Mutexes[mutexName].ThreadId.ShouldBe(Thread.CurrentThread.ManagedThreadId);
}
// Assert
MutexManager.Mutexes.ContainsKey(mutexName).ShouldBeFalse();
}